Normally there are 2 source of leaking from them. The rubber surrounding the door loose or damage liao OR most likely the water proof plastic sheet inside the door got holes or not...
Ive just installed a brand new external wastegate TIAL 38 mm last weekend. My problem is it doesn't "open" at 1.0 bar but instead at 1.5 bar. As i now the 38 mm is used for 0.7-1.0 bar boosting. How do i adjust to...